<template>
	<section>
		<!--工具条-->
    <el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
      <el-form :inline="true" :model="filters">
        <el-form-item>
          <el-input v-model="filters.keyword" placeholder="关键字"></el-input>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" v-on:click="getEmployee">查询</el-button>
        </el-form-item>
        <el-form-item>
          <el-button type="primary" @click="handleAdd">新增</el-button>
        </el-form-item>
      </el-form>
    </el-col>

		<!--列表-->
    <el-table :data="employees" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">

      <!--这是elementui提供的选择框，此选择框可以多选-->
      <el-table-column type="selection" width="55">
      </el-table-column>

      <el-table-column type="index" width="60">
      </el-table-column>
      <el-table-column prop="username" label="员工姓名" width="160" >
      </el-table-column>
      <el-table-column prop="age" label="年龄" width="150" >
      </el-table-column>
      <el-table-column prop="phone" label="电话" width="150" >
      </el-table-column>
      <el-table-column prop="email" label="电子邮件" width="150" >
      </el-table-column>
      <el-table-column prop="state" label="状态" width="100" sortable>
        <!--scope：获取这一行的所有字段数据-->
        <template scope="scope">
          <span style="color: green" v-if="scope.row.state === 1">开启</span>
          <span style="color: red" v-else-if="scope.row.state === 0">关闭</span>
          <span v-else>未知</span>
        </template>
      </el-table-column>
      <el-table-column prop="department.name" label="所在部门" min-width="200" >
      </el-table-column>
      <el-table-column label="操作" width="150">
        <template scope="scope">
          <el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
          <el-button type="danger" size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <!--工具条-->
    <el-col :span="24" class="toolbar">
      <!--
        disabled：是否不可点击
          true：不可点击
          false：可点击
      -->
      <el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
      <el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :current-page="currentPage" :page-size="pageSize" :total="total" style="float:right;">
      </el-pagination>
    </el-col>


    <!--编辑界面
    v-model：在1.X的时候是控制此标签是否展示，但是2.X之后是双向绑定
    :rules="editFormRules"：表单校验规则绑定那个规则对象
      prop="name"：此字段运用表单校验规则中的那个规则
-->
    <el-dialog :title="title" :visible.sync="editFormVisible" :close-on-click-modal="false">
      <el-form :model="editForm" label-width="80px" :rules="editFormRules" ref="editForm">
        <el-form-item label="员工姓名" prop="username">
          <el-input v-model="editForm.username" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="年龄" prop="age">
          <el-input v-model="editForm.age" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="phone">
          <el-input v-model="editForm.phone" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="电子邮件" prop="email">
          <el-input v-model="editForm.email" auto-complete="off"></el-input>
        </el-form-item>
        <el-form-item label="是否启用">
          <el-radio-group v-model="editForm.state">
            <el-radio class="radio" :label="1">启用</el-radio>
            <el-radio class="radio" :label="0">禁用</el-radio>
          </el-radio-group>
        </el-form-item>

        <el-form-item label="所属部门">
          <el-select v-model="editForm.department" value-key="id" placeholder="请选择">
            <!--
              :key：必须指定为你每条数据中的唯一字段
              :label：用户选择之后在下拉框中展示的值
              :value：用户选中值之后要提交时，使用那个字段提交
            -->
            <el-option
                v-for="item in cities"
                :key="item.id"
                :label="item.name"
                :value="item">
              <span style="float: left">{{ item.name }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.id }}</span>
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="角色" prop="roles">
          <el-select v-model="editForm.roles" multiple placeholder="请选择">
            <el-option
                v-for="item in roleList"
                :key="item.id"
                :label="item.name"
                :value="item.id">
              <span style="float: left">{{ item.name }}</span>
              <span style="float: right; color: #8492a6; font-size: 13px">{{ item.sn }}</span>
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click.native="editFormVisible = false">取消</el-button>
        <el-button type="primary" @click.native="editSubmit" :loading="editLoading">提交</el-button>
      </div>
    </el-dialog>





	</section>
</template>
<script>
	import { getEmployeeList } from '../../api/api';
	//import NProgress from 'nprogress'
	export default {
		data() {
			return {
        // 上级部门级联数据
        options: [],
        filters: {
          keyword: ''
        },
        employees: [],
        total: 0,
        currentPage: 1,
        pageSize: 5,
        listLoading: false,
        sels: [],//列表选中列
        title:"",
        editFormVisible: false,//编辑界面是否显示
        editLoading: false,
        // 表单校验规则
        editFormRules: {
          username: [
            // 为空校验
            { required: true, message: '请输入员工姓名', trigger: 'blur' }
          ],
          phone: [
            // 为空校验
            { required: true, message: '请输入联系方式', trigger: 'blur' }
          ]
        },
        //编辑界面数据
        editForm: {
          id:null,
          username:"",
          age:0,
          phone:"",
          state:0,
          email:"",
          department:{},
          roles: null
        },
        cities:[],
        roleList: []
			}
		},
		methods: {
      // 获取所有员工数据的函数，在函数中发送axios请求得到所有员工数据赋值给模型层的cities
      getDepartments(){
        this.$http.get("/department")
            .then(result=>{
              this.cities = result.data;
            })
      },
			//性别显示转换
			formatSex: function (row, column) {
				return row.sex == 1 ? '男' : row.sex == 0 ? '女' : '未知';
			},
      // 高级查询函数
      search(){
        // 如果是高级查询，为了避免用户的数据不够展示，我们需要初始化页码为1，不管有没有其他页数据，我们默认展示第一页
        this.currentPage = 1;
        // 页面初始化完成之后，直接调用查询列表数据函数即可
        this.getEmployee();
      },
      // 分页查询调用函数
      handleCurrentChange(val) {
        // 当用户点击页面的时候，我们需要同步将模型层中的当前页面字段的值改为用户选中的值
        this.currentPage = val;
        this.getEmployee();
      },
			//获取用户列表
			getEmployee: function () {
				let para = {
          currentPage: this.currentPage,
          pageSize: this.pageSize,
          keyword: this.filters.keyword
				};
				this.listLoading = true;
        // 发起Axios请求
        this.$http.post("/employee", para)
            .then(result=>{
              // 0.关闭忙等
              this.listLoading = false;
              // 1.给列表模型层对象赋值
              this.employees = result.data.rows;
              // 2.给total赋值
              this.total = result.data.total;
            })
            .catch(result=>{
              this.$message({
                message: '系统繁忙，请重试！',
                type: 'error'
              });
            })
			},
      //删除
      handleDel: function (index, row) {
        this.$confirm('确认删除该记录吗?', '提示', {
          type: 'warning'
        }).then(() => { // 点击确定的时候进入then
          // 1.开启列表忙等
          this.listLoading = true;
          // 2.发送Axios请求
          this.$http.delete("/employee/"+row.id)
              .then(result=>{
                // 1.关闭忙等框
                this.listLoading = false;
                if(result.data.success){ // 绝对删除成功
                  this.$message({
                    message: result.data.message,
                    type: 'success'
                  });
                }else { // 不一定删除成功，我们也不知道删除成功没有
                  this.$message({
                    message: result.data.message,
                    type: 'error'
                  });
                }
                // 3.改变当前页页码
                this.currentPage = 1;
                // 4.调用查询列表函数
                this.getEmployee();
              })
              .catch(result=>{
                this.$message({
                  message: '系统繁忙，请重试！',
                  type: 'error'
                });
              })
        }).catch(() => {
          // 取消进catch
        });
      },
      //显示编辑界面
      handleEdit: function (index, row) {
        // 获取角色
        this.$http.get("/role/emp/"+row.id)
            .then(result=>{
              let roles =  result.data;
              console.log(roles)
              let ids = [];
              for(let i = 0; i < roles.length; i++) {
                console.log(roles[i].id)
                ids.push(roles[i].id)
              }
              this.editForm.roles = ids;
            })
        this.title = "编辑";
        this.editFormVisible = true;
        // 2.克隆对象到我们模型层的对象中
        this.editForm = Object.assign({}, row);
      },
      //显示新增界面
      handleAdd: function () {
        this.title = "新增";
        this.editFormVisible = true;
        this.editForm = {
          id:null,
          username:"",
          age:0,
          phone:{},
          state:0,
          email:"",
          department:{}
        };
      },
      //编辑
      editSubmit: function () {
        // 主动开启表单校验
        this.$refs.editForm.validate((valid) => {
          if (valid) {
            this.$confirm('确认提交吗？', '提示', {}).then(() => {
              // 1.开启按钮忙等
              this.editLoading = true;
              // 2，从模型层克隆一个新的对象
              let para = Object.assign({}, this.editForm);
              console.log(para)
              //3,用户选择了上级部门，那么我们才做数据转换操作
              //4,发起Axios请求
              this.$http.put("/employee",para)
                  .then(result=>{
                    // 1.关闭按钮忙等
                    this.editLoading = false;
                    // 2.关闭模态框
                    this.editFormVisible = false;
                    if(result.data.success){ // 新增/修改成功
                      this.$message({
                        message: result.data.message,
                        type: 'success'
                      });
                    }else { // 不一定新增/修改成功，我们也不知道新增/修改成功没有
                      this.$message({
                        message: result.data.message,
                        type: 'error'
                      });
                    }
                    // 3.改变当前页页码
                    this.currentPage = 1;
                    // 4.调用查询列表函数
                    this.getEmployee();
                  })
                  .catch(result=>{
                    this.editLoading = false;
                    this.$message({
                      message: '系统繁忙，请重试！',
                      type: 'error'
                    });
                  })

            });
          }
        });
      },
      selsChange: function (sels) {
        this.sels = sels;
      },
      //批量删除
      batchRemove: function () {
        // 获取用户选中行的所有Id
        var ids = this.sels.map(item => item.id);
        this.$confirm('确认删除选中记录吗？', '提示', {
          type: 'warning'
        }).then(() => {
          // 开启列表忙等
          this.listLoading = true;
          // 发送Axios请求
          this.$http.patch("/employee", ids)
              .then(result=>{
                // 1.关闭忙等框
                this.listLoading = false;
                if(result.data.success){ // 绝对删除成功
                  this.$message({
                    message: result.data.message,
                    type: 'success'
                  });
                }else { // 不一定删除成功，我们也不知道删除成功没有
                  this.$message({
                    message: result.data.message,
                    type: 'error'
                  });
                }
                // 3.改变当前页页码
                this.currentPage = 1;
                // 4.调用查询列表函数
                this.getEmployee();
              })
              .catch(result=>{
                this.$message({
                  message: '系统繁忙，请重试！',
                  type: 'error'
                });
              })

        }).catch(() => {

        });
      },
      // 获取角色数据
      getRoleList() {
        this.$http.get("/role")
            .then(result => {
              if (result.data) {
                this.roleList = result.data;
              }
            })
      }

		},

		mounted() {
      // 获取员工管理数据
			this.getEmployee();
      // 获取部门
      this.getDepartments();
      // 获取角色
      this.getRoleList();
		}
	};

</script>

<style scoped>

</style>